Four Seasons 35844 HVAC Relay

HVAC Relay for Nissan and Infiniti Applications

Four Seasons Relay 35844 is a standard 12-volt HVAC relay built for controlled switching in climate control circuits. It uses a 6-terminal blade design with a female connector, male terminals, a gray housing, and a skirted standard relay style.

Compatible with select Nissan and Infiniti vehicles, including Nissan 240SX, Sentra, Maxima, 300ZX, 280ZX, Infiniti Q45, FX35, FX45, and Mercury Villager applications, this relay meets or exceeds OEM requirements for direct replacement service. Four Seasons Relay 35844 is a practical choice when diagnosing intermittent A/C control or relay-related HVAC electrical faults.

Key Features

• 12-volt standard HVAC relay
• 6 blade terminals with female connector and male terminals
• 20 amp amperage rating
• Gray housing with skirted standard relay design
• Bracketless configuration
• Meets or exceeds OEM specifications

Detailed Product Overview

Four Seasons Relay 35844 is part of the Relay line and is engineered as a standard replacement relay for HVAC control circuits. The 6-terminal blade layout supports the electrical interface used in many Nissan and Infiniti relay applications, while the 20 amp rating provides the switching capacity expected for climate control operation. This part number 35844 is also referenced in cross-application catalogs under select AMS Automotive and Gates numbers for the same use cases.

Fits 2003-2007 Infiniti FX35, N/A; Fits 2003-2007 Infiniti FX45, N/A; Fits 1993-2002 Mercury Villager, N/A; Fits 1995-1998 Nissan Sentra, N/A; Fits 1991 Infiniti Q45, N/A; Fits 1989-1990 Nissan 240SX, N/A; Fits 1986-1990 Nissan Sentra, N/A; Fits 1985-1989 Nissan 300ZX, N/A; Fits 1985-1988 Nissan Maxima, N/A; Fits 1984 Nissan 300ZX, N/A; Fits 1984 Nissan Maxima, N/A; Fits 1983 Nissan 280ZX, N/A.

What This Relay Helps Address

• Intermittent A/C compressor relay operation
• HVAC blower or control circuit switching faults
• No-response climate control relay failures
• Electrical relay wear from age and heat cycling
• Relay replacement during HVAC troubleshooting

Installation Notes and Tips

Verify the vehicle’s relay cavity, terminal count, connector gender, and amperage rating before installation. Match the original relay style and terminal layout to the existing HVAC circuit, especially on Nissan and Infiniti models with A/C control or automatic temperature control systems. Confirm the application by part number 35844 and compare the original relay markings before replacement.

Quality Assurance

Four Seasons Relay 35844 is listed as meeting or exceeding OEM requirements for the specified applications. The Four Seasons Relay product line is used for standard replacement electrical control components in automotive HVAC systems.